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Mahle OE plain piston ring set for a 4.600 inch bore with 0.043 in thickness and 0.135 RW is supplied in a 48-count bulk pack for service or rebuild operations. These steel Napier THM-13 plain rings are dimensioned for engines using the listed bore and wall specifications, providing a straightforward replacement option for workshops and rebuilders working to original ring geometry.
Mahle Rings Steel Napier THM-13 4.600 Bore x .043in .135 RW Plain Ring Set (48 Qty Bulk Pack)
